package com.kuang.springcloud.controller;

import com.kuang.springcloud.pojo.Dept;
import com.kuang.springcloud.service.DeptService;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

@RestController
public class DeptController {
   @Autowired
    private DeptService deptService;

   @GetMapping("/dept/get/{id}")
   @HystrixCommand(fallbackMethod = "hystrixGet")
   public Dept  get(@PathVariable("id") Long id){
    Dept dept = deptService.queryBuId(id);
    if (dept==null){
            throw new RuntimeException("id=="+id+",不存在该用户,或者信息无法找到");
    } 
       return dept;
   }



    //备选方案
    public Dept  hystrixGet(@PathVariable("id") Long id){
                return new Dept().setDeptno(id)
                        .setDname("id="+id+",没有对应的信息，null--@Hystrix")
                        .setDb_source("no this  database in mysql");
    }
}
